超低温角接触球轴承保持架温度场及强度分析  

ANALYSIS ON CAGE TEMPERATURE FIELD AND STRENGTH OF ANGULAR CONTACT BALL BEARING IN ULTRA-LOW TEMPERATURE ENVIRONMENTS

作　　者：倪艳光[1] 刘靖 徐冬爽 张延彬[3] 张文虎 NI YanGuang;LIU Jing;XU DongShuang;ZHANG YanBin;ZHANG WenHu(School of Mechatronics Engineering,Henan University of Science and Technology,Luoyang 471003,China;School of Mechatronics Engineering,Huanghe Jiaotong University,.Jiaozuo 454950,China;Luoyang Bearing Research Institute Co.,Ltd.,LuoYang 471003,China)

机构地区：[1]河南科技大学机电工程学院,洛阳471003 [2]黄河交通学院机电工程学院,焦作454950 [3]洛阳轴承研究所有限公司,洛阳471003

出　　处：《机械强度》2022年第3期684-690,共7页Journal of Mechanical Strength

基　　金：国家自然科学青年基金(51905152);高端轴承摩擦学技术与应用国家地方联合工程实验室开放基金(201708)资助。

摘　　要：基于滚动轴承动力学理论,采用流-固-热三相耦合的数值分析方法,研究超低温环境下保持架的温度场和强度,得出保持架温度分布、应力分布以及入口流速对流体流速和流体压力的影响。结果表明:保持架温度随着入口流速的增加而降低,最高温度处于兜孔周向位置;保持架应力随着入口流速的增加而增大,最大应力处于兜孔轴向位置。研究可为解决超低温环境下轴承的延寿及可靠性问题提供参考。Based on the dynamics theory of rolling bearings, the fluid-solid-thermal three-phase coupled numerical analysis method is used to study the temperature field and strength of the cage in the ultra-low temperature environment. The influence of the temperature distribution, stress distribution and inlet flow rate of the cage on the fluid flow rate and fluid pressure is obtained. The results show that the temperature of the cage decreases with the increase of the inlet flow rate and the maximum temperature is at the circumferential position of the pocket;the cage stress increases with the increase of the inlet flow rate and the maximum stress is at the axial position of the pocket.Research can provide reference for solving bearing life extension and reliability problems in ultra-low temperature environment.

关 键 词：超低温 保持架 流-固-热耦合 温度场 强度 

分 类 号：TH133[机械工程—机械制造及自动化]